Well folks, it's finally been done. With the help of ifixit.com, Mikegyver Computer & Tech., Inc. has posted illustrated instructions on how to bypass the internal AC to DC power adapter inside all new Mac Minis. This will make it relatively straight forward (definitely not easy) to use a CarNetix CNX-P2140 power regulator to power your Mac Mini in a mobile environment. Here are the instructions, courtesy of the MCT, Inc. website:

Ok, so hereís how we did it, however we donít like re-inventing the wheel (rather then to improve on it) we going to refer you to ifixit.com on disassembly first.

DCDC-USB is a high power intelligent DC-DC converter. This unit accepts any input ranging from 6-34V. Output is 12V regulated or output can be changed with simple jumper settings to 5V, 6V, 9V, 12V, 13.5V, 18V or 24V or via USB in fine increments (0.25V) anywhere from 5-24V.